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3.
Move laser unit close to wall and mark
point P
.
3
4.
Rotate laser unit 180° and mark point P
5.
Measure the vertical distance from
the floor to each point. Calculate the
difference between distances D
to get D
and distances D
3
D
.
4
6.
Calculate the maximum allowed offset
distance and compare to the difference
of D
and D
3
4
the sum is not less than or equal to the
calculated maximum offset distance the
unit must be returned to your Stanley
Distributor.
Example: D
= 10 m, D
1
D
= 30,75 mm, D
P1
D
= (30,75 mm - 30 mm) = 0,75 mm
3
D
= (29 mm - 29,75 mm) = - 0,75 mm
4
mm
0,4
m
(0,75 mm) - (- 0,75 mm) = 1,5 mm
1,5 mm ≤ 3,6 mm (TRUE, unit is within calibration)
77-118
and D
P1
and D
to get
P2
P4
as shown in the equation. If
= 0,5 m
2
= 29 mm, D
P2
x (10 m - (2 x 0,5 m) = 3,6 mm (maximum allowed offset distance)
P
1
P
3
D
2
P
1
.
P
4
3
D
2
(D
- D
P1
P3
P
1
P3
P
3
D
Maximum Offset Distance:
= 0,4
Max
= 0,0048
D
3
= 30 mm, D
= 29,75 mm
P3
P4
P
2
P
4
P
2
) = D
3
P
4
P
2
D
D
D
P4
P1
P2
P3
(D
- D
) = D
P2
P4
4
mm
x (D
m - (2 x D
m))
m
1
2
in
x (D
ft - (2 x D
ft))
ft
1
2
Compare:
- D
≤ ± Max
4
15
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